Nadir ultraviolet imaging spectrometer for the NPOESS Ozone Mapping and Profiler Suite (OMPS)

Michael G. Dittman; Eric Ramberg; Michael Chrisp; Juan V. Rodriguez; Angela L. Sparks; Neal H. Zaun; Paul Hendershot; Tom Dixon; Robert H. Philbrick; Debra Wasinger

doi:10.1117/12.453748

24 September 2002 Nadir ultraviolet imaging spectrometer for the NPOESS Ozone Mapping and Profiler Suite (OMPS)

Michael G. Dittman, Eric Ramberg, Michael Chrisp, Juan V. Rodriguez, Angela L. Sparks, Neal H. Zaun, Paul Hendershot, Tom Dixon, Robert H. Philbrick, Debra Wasinger

Author Affiliations +

Proceedings Volume 4814, Earth Observing Systems VII; (2002) https://doi.org/10.1117/12.453748
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The Ozone Mapping and Profiler Suite (OMPS) is being developed for the United States National Polar-orbiting Operational Environmental Satellite System (NPOESS). We describe the optical design and predict the performance of the OMPS nadir-looking imaging spectrometer. Backscattered solar ultraviolet radiation is dispersed and measured to determine the ozone total column amounts and profile concentrations. The sensor consists of a wide field (110 degree) telescope, with a solar-diffuser calibration mechanism, and two spectrometers: an imager covering 300 to 380 nm with a 50 km nadir footprint for mapping total column ozone across a 2800 km swath, and a 250 to 310 nm spectrometer with a single 250 km footprint to provide ozone profile data with SBUV/2 heritage. Both spectrometers provide 1 nm resolution (full-width at half-maximum, FWHM) spectra and handle the demanding dynamic range of the backscattered solar radiation with the required sensitivity for ozone retrievals.

Citation Download Citation

Michael G. Dittman, Eric Ramberg, Michael Chrisp, Juan V. Rodriguez, Angela L. Sparks, Neal H. Zaun, Paul Hendershot, Tom Dixon, Robert H. Philbrick, and Debra Wasinger "Nadir ultraviolet imaging spectrometer for the NPOESS Ozone Mapping and Profiler Suite (OMPS)", Proc. SPIE 4814, Earth Observing Systems VII, (24 September 2002); https://doi.org/10.1117/12.453748

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